glibc/sysdeps/loongarch/tlsdesc.sym
mengqinggang 1dbf2bef79 LoongArch: Add support for TLS Descriptors
This is mostly based on AArch64 and RISC-V implementation.

Add R_LARCH_TLS_DESC32 and R_LARCH_TLS_DESC64 relocations.

For _dl_tlsdesc_dynamic function slow path, temporarily save and restore
all vector registers.
2024-05-15 10:31:53 +08:00

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#include <stddef.h>
#include <sysdep.h>
#include <tls.h>
#include <link.h>
#include <dl-tlsdesc.h>
#define SHARED 1
#include <ldsodefs.h>
#define GLRO_offsetof(name) offsetof (struct rtld_global_ro, _##name)
--
-- Abuse tls.h macros to derive offsets relative to the thread register.
TLSDESC_ARG offsetof(struct tlsdesc, arg)
TLSDESC_GEN_COUNT offsetof(struct tlsdesc_dynamic_arg, gen_count)
TLSDESC_MODID offsetof(struct tlsdesc_dynamic_arg, tlsinfo.ti_module)
TLSDESC_MODOFF offsetof(struct tlsdesc_dynamic_arg, tlsinfo.ti_offset)
TCBHEAD_DTV offsetof(tcbhead_t, dtv)
DTV_COUNTER offsetof(dtv_t, counter)
TLS_DTV_UNALLOCATED TLS_DTV_UNALLOCATED
TLS_DTV_OFFSET TLS_DTV_OFFSET
SIZE_OF_TCB sizeof(tcbhead_t)
GLRO_DL_HWCAP_OFFSET GLRO_offsetof (dl_hwcap)
HWCAP_LOONGARCH_LSX HWCAP_LOONGARCH_LSX
HWCAP_LOONGARCH_LASX HWCAP_LOONGARCH_LASX